melanotic or melena refers to MELANIN not #medicine #doctor #humor #doctorsofinstagram #medreels #melanin Melena is defined as: A)
Melena is defined as: A) Bright red blood per rectum B) Black, tarry stool due to digested blood C) Yellow fatty stool D) Green mucus stool Melena MEDizzy Many Faces of Melanoma: A Comparison Between Cutaneous, Mucosal, Acral, Nail, and Ocular Malignancy Nowowiejska 2025 Pigment Cell & Melanoma Research Wiley Online Library melena is overwhelmingly associated with UGIB rather than with lower GI bleeding (LGIB), which is distal to the duodenojejunal junction at the ligament of Treitz. Melena of less than 24 hour Acute upper gastrointestinal bleeding in a patient with malignant melanoma BMJ Case Reports
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